Unformatted text preview: i. Homo/Heterogeneous Petrition – in book notes g. Testing ( do better the second time) – pretest biases the way people do the post test (learning) i. Also, in packets of questionnaires, the order of each questionnaire could affect the way they do the one following it so a good way to solve that is to mix up the order for everyone, for each testing h. Regression to the Mean – people tend to get closer to their true score, luck (bad or good) equalizes itself. i. Evaluation Apprehension – subject behaves differently because they know they’re being observed (nervous) j. Bogus Pipeline – making the subject think that you have a direct reading of their attitudes and thoughts so they are more inclined to be honest, thinking that you can tell if they’re lying k. Good idea to run “pilot test” – test out experiment for a couple of weeks (data is worthless) to work out bugs and then debrief subjects to find out if they were let on to what the experiment was about during it...
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- Winter '04
- Psychology, Thought, internal validity, Internal Validity Threats